Being frugal means to be careful with money and avoid wastefulness. Some antonyms for frugal could include extravagant, lavish, and indulgent. These words imply excessive spending and a lack of concern for saving money. Other antonyms for frugal might include careless, reckless, or thoughtless. These adjectives suggest a lack of caution and planning, rather than a particular attitude towards money. While being frugal is often viewed as a positive trait, it is important to remember that context matters. In some situations, spending more money might be necessary or desirable, while in others, saving money may be more important.